import Vue from "vue";
import Router from "vue-router";

Vue.use(Router);

/* Layout */
import Layout from "@/layout";

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
export const constantRoutes = [
	{
		path: "/login",
		component: () => import("@/views/login/index"),
		hidden: true
	},

	{
		path: "/404",
		component: () => import("@/views/404"),
		hidden: true
	},

	{
		path: "/",
		component: Layout,
		redirect: "/dashboard",
		children: [
			{
				path: "dashboard",
				name: "Dashboard",
				component: () => import("@/views/dashboard/index"),
				meta: { title: "首页", icon: "dashboard" }
			}
		]
	},

	{
		path: "/product",
		component: Layout,
		redirect: "trademark/list",
		meta: { title: "商品管理", icon: "el-icon-s-shop" },
		children: [
			{
				path: "trademark/list",
				name: "TradeMark",
				component: () => import("@/views/Product/TradeMark/list"),
				meta: { title: "品牌管理" }
			},

			{
				path: "attr/list",
				name: "Attr",
				component: () => import("@/views/Product/Attr/list"),
				meta: { title: "属性管理" }
			},

			{
				path: "sku/list",
				name: "Sku",
				component: () => import("@/views/Product/Sku/list"),
				meta: { title: "SKU管理" }
			},

			{
				path: "spu/list",
				name: "Spu",
				component: () => import("@/views/Product/Spu/list"),
				meta: { title: "SPU管理" }
			}
		]
	},

	// 404 page must be placed at the end !!!
	{ path: "*", redirect: "/404", hidden: true }
];

const createRouter = () =>
	new Router({
		// mode: 'history', // require service support
		scrollBehavior: () => ({ y: 0 }),
		routes: constantRoutes
	});

const router = createRouter();

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
	const newRouter = createRouter();
	router.matcher = newRouter.matcher; // reset router
}

export default router;
